print whole line if the 1st field contains...


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting print whole line if the 1st field contains...
# 1  
Old 05-07-2012
print whole line if the 1st field contains...

i want to print lines in a file that the 1st field of each line has a Date shape such:
Code:
yy/mm/dd

or on the other hand contains slash "/" .
# 2  
Old 05-07-2012
This should do it:
Code:
awk '$1 ~ "/"'

or maybe
Code:
awk '$1 !~ "/"'

or even
Code:
awk '$1 ~ "[0-9][0-9]/[0-9][0-9]/[0-9][0-9]"'

depending on how your requirements are to be understood.
This User Gave Thanks to jlliagre For This Post:
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

Not sure how to describe it but how to format this list so that it print the 1st field once only

Hi, Not sure how to describe the problem. But basically, I have this file listing here app01_app.test.com.ph|PROGRAM=SQL Developer|HOST=AKL0TS100|USER=Admtest01|HOST=10.111.12.23| app02_app.test.com.ph|PROGRAM=D:\interface\apps\bin32\batch.exe|HOST=AKL0TS100|USER=Admtest09|HOST=10.111.12.35|... (3 Replies)
Discussion started by: newbie_01
3 Replies

2. Shell Programming and Scripting

Command/script to match a field and print the next field of each line in a file.

Hello, I have a text file in the below format: Source Destination State Lag Status CQA02W2K12pl:D:\CAQA ... (10 Replies)
Discussion started by: pocodot
10 Replies

3. Shell Programming and Scripting

Use two field separator in the same line and print them

Hi Guys, I have the file --- HOST_NAME,data_coleta,data_carga,CPU_util,CPU_idle,run_queue,memory,MEMORY_SYSTEM,MEMORY_TOTAL,MEMORY_SWAPIN,MEMORY_SWAPOUT,DISK_READ,DISK_WRITE,DISK_IO,NET_IN_PACKET, NET_OUT_PACKET... (4 Replies)
Discussion started by: antoniorajr
4 Replies

4. Shell Programming and Scripting

Print a field from the previous line

plz help me!! I have this file , 3408 5600 3796 6035 4200 6285 4676 0 40 1554 200 1998 652 2451 864 2728 1200 0 I want it like if $2==0,replace it with field from the previous line+500 say here the o/p would be like 3408 5600 3796 6035 4200 6285... (16 Replies)
Discussion started by: Indra2011
16 Replies

5. Shell Programming and Scripting

only print line if 3rd field is 01

Similar question... I have a space delimited text file and I want to only print the lines where the 3rd word/field/column is equal to "01" awk '{if $3 = "01" print $0}' something like this. I meant to say: only print line IF 3rd field is 01 (2 Replies)
Discussion started by: ajp7701
2 Replies

6. Shell Programming and Scripting

How to print line if field matches?

Hi all, I got several lines line this a b c d e 1 e a 1 c d e 3 f a b c 1 e 8 h a b c d e 1 w a 1 c d e 2 w a b c d e 1 t a b c d e 7 4 How can I print the line if 1 is the field one before the last field? Basicly this 2 field ? a b c d e 1 e a b c d e 1 t The file I got is... (7 Replies)
Discussion started by: stinkefisch
7 Replies

7. Shell Programming and Scripting

Print the entire line if second field has value P

Friends, I have .txt file with 3 millions of rows. File1.txt ABC1|A|ABCD1|XYZ1 ABC2|P|ABCD2|XYZ2 ABC3|A|ABCD3|XYZ3 ABC4|P|ABCD4|XYZ4 If second field has value P then print the entire line. Thanks in advance for your help, Prashant (4 Replies)
Discussion started by: ppat7046
4 Replies

8. Shell Programming and Scripting

how to print field n of line m

Hi everyone, I have a basic csh/awk question. How do I print a given field from a given line in a given file? Thanks in advance! (11 Replies)
Discussion started by: Deanne
11 Replies

9. Shell Programming and Scripting

Print line if first Field matches a pattern

Hi All, I would like my code to be able to print out the whole line if 1st field has a dot in the number. Sample input and expected output given below. My AWK code is below but it can;t work, can any expert help me ? Thanks in advance. {if ($1 ~ /*\.*/) { print $0 }} Input: ... (2 Replies)
Discussion started by: Raynon
2 Replies

10. Shell Programming and Scripting

How to print empty line when the a field is changed

Hi all, I have this input file .. BSS01 107 Swafieh 11/06/2008 12:06:57 BSS01 111 Ramada_Hotel 12/06/2008 11:37:20 BSS01 147 Kalha_Rep 11/06/2008 19:13:39 BSS01 147 Kalha_Rep ... (9 Replies)
Discussion started by: yahyaaa
9 Replies
Login or Register to Ask a Question